Diorca | Retention Valves
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Retention Valves



Spill Check™ – Features
  • Can be used in many drainage system applications
  • Protection of surrounding soil and ground water from contamination
  • No external power required for operation
  • Visual and remote indicators signal valve closure
  • Reduces maintenance costs
  • Floating roof drain system valves can remain open
  • Reduces possibility of floating roof sinking
  • Protects the surrounding soil and groundwater
  • Visual and remote indicator signal the end of the valve
  • Easy to install
  • Can be fitted with electronic sensor